Image capture device, imgae capture system, and image capture method
一种摄像装置、摄像元件的技术，应用在电视系统的零部件、带有单个拾取装置的信号发生器、摄影等方向，能够解决分光特性困难、颜色偏差等问题
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Embodiment approach 1
[0048] figure 1 It is a schematic diagram showing the imaging device A according to the first embodiment. The imaging device A of the present embodiment includes: a lens optical system L having an optical axis V; an array optical element K disposed near the focal point of the lens optical system L; an imaging element N;
[0049] The lens optical system L is composed of an aperture S that receives light from a subject (not shown), an optical element L1 that receives light passing through the aperture S, and a lens L2 that receives light that passes through the optical element L1.
[0050] The lens L2 may be composed of a single lens, or may be composed of a plurality of lenses. exist figure 1 In , the diagram is shown as a one-piece structure.
[0051] The optical element L1 is arranged near the aperture.
[0052] Moreover, the optical element L1 has the 1st optical surface area|region D1 which transmits the light of a 1st wavelength band, and the 2nd optical surface area D2 ...
Embodiment approach 2
[0073] The second embodiment differs from the first embodiment in that the area of the optical element L1 is divided into three. Here, a detailed description of the same content as in Embodiment 1 is omitted.
[0074] Figure 5 It is a schematic diagram showing the imaging device A according to the second embodiment.
[0075] exist Figure 5 Among them, the light beam B1 is the light beam passing through the optical surface area D1 on the optical element L1, the light beam B2 is the light beam passing through the optical surface area D2 on the optical element L1, and the light beam B3 is the light beam passing through the optical area D3 on the optical element L1. The light beams B1, B2 and B3 pass through the aperture S, optical element L1, lens L2, and arrayed optical element K in sequence, and arrive at the imaging surface Ni on the imaging element N ( Figure 7 etc.).
[0076] Figure 6 It is a front view of the optical element L1 viewed from the subject side, and t...
Embodiment approach 3
[0087] This Embodiment 3 differs from Embodiment 1 in that the figure 1 The area division of the optical element L1 is set to four; and the array optical element is replaced by a biconvex lens with a micro lens. Here, a detailed description of the same content as in Embodiment 1 is omitted.
[0088] Figure 8 It is a front view of the optical element L1 viewed from the subject side, and the optical surface areas D1, D2, D3, and D4 are divided into upper, lower, left, and right sides in a plane perpendicular to the optical axis V with the optical axis V as the boundary center. partly formed. In addition, the wavelength bands of light transmitted through the respective optical surface regions are different from each other.
[0089] Figure 9 It is a perspective view of the arrayed optical element K. On the surface of the arrayed optical element K on the imaging element N side, optical elements M2 are arranged in a grid pattern. Each optical element M2 has a curved cross-se...
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